[ECOS] About threads
Alok Singh
aloks@broadcom.com
Wed Jun 27 19:51:00 GMT 2007
It executes at 0x00100.
regards,
Alok
-----Original Message-----
From: ecos-discuss-owner@ecos.sourceware.org
[mailto:ecos-discuss-owner@ecos.sourceware.org] On Behalf Of Michele
Portolan
Sent: Wednesday, June 27, 2007 3:18 PM
To: ecos-discuss@ecos.sourceware.org
Subject: [ECOS] About threads
A little stupid question about threads:
if I create a thread to execute the function "hello", is the code of the
function copied or not?
I better explain mysel: let's say function hello is stored at address
0x00100, and teh code to xcreate the thread is as following:
cyg_thread thread_s[N_THREADS]; /* space for two thread objects
*/
char stack[N_THREADS][4096]; /* space for two 4K stacks */
cyg_handle_t hello_thread;
....
cyg_thread_create(4, (void (*)(cyg_addrword_t data) )hello,
(cyg_addrword_t) 0,
"hello", (void *) stack[0], 4096,
&hello_thread, &thread_s[0]);
When the thread gets executed, does it executes "hello" at 0x00100 or a
copy of it stored somewhere in "stack" or "thread_s"?
Thank you very much,
Michele
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